[1920.] 



4 



ANON., 15. Sven Leoxhaed Tceexquist (1840-1920). [Obit.] Geol. 3Iag. 



1920, pp. 527-528. 1920. 

 16. Biographical Xotice of Chaeles Richabd va>~ Hise. Trans. Am. Inst. 



31. E. lxi. pp. 721-723. 1920. 

 17. Una nueva especie mineral ogica de plomo chabutitej. JBolI. Soc. JS'ac. 



Ilineria, Santiago, xxxi. pp. 695-696. 1919. 

 18. The Iron-Ores of South Africa. Bull. Imp. Inst, xviii. pp. 82-92. 



1920. 



19. Mining Developments in Northern Manitoba. Bull. Imp. Inst, xviii. 



pp. 93-96. 1920. 



20. The Irish Coal Industry. Coll. Guard, cxix. pp. 1220-1221. 1920. 



21. Coal Mining in Colombia. Coll. Guard, cxix. p. 1814. 1920. 



22. Iron-Ore in Morocco. Coll. Guard, cxix. p. 1814. 1920. 



23. Deposits of Ironstone reported in Cleveland. Coll. Guard, cxx. p. 1529. 



1920. 



24. Manganese Mines in Ecuador. Journ. Hoy. Soc. Arts, lxviii. p. 13. 



1920. 



25. Iron-Ore Deposits in Celebes. Journ. Hoy. Soc. Arts, lxviii. p. 45. 1920. 



26. Trinidad Lake Asphalt. Journ. Boy. Soc. Arts, lxviii. pp. 109-110. 



1920. 



27. Power from Natural Steam Springs in Italy. Journ. Boy. Soc. Arts, 



lxviii. p. 410. 1920. 



28. Graphite Deposits in Siberia. Journ. Boy. Soc. Arts, lxviii. p. 442. 



1920. 



29. Mineral Wealth of Finland. Journ. Boy. Soc. Arts, lxviii. pp. 506-507. 



1920. 



30. Tungsten Mining in China. Joxirn. Boy. Soc. Arts, lxviii. p. 509. 1920. 



31. Petroleum in Trinidad. Jotirn. Boy. Soc. Arts, lxviii. pp. 523-525. 1920. 



32. Extinct Animal Remains in South Australia. Journ. Boy. Soc. Arts, 



lxviii. p. 554. 1920. 



33. Chrome-Ore Deposits in Asia Minor. Journ. Boy. Soc. Arts, lxviii. 



pp. 564-567. 1920. 



34. The Italian Quicksilver Industry. Journ. Boy. Soc. Arts, lxviii. pp. 705- 



706. 1920. 



35. Iron Industry for Celebes. Journ. Boy. Soc. Arts, lxviii. p. 747. 1920. 



36. Salt Resources and Production of Poland. Journ. Boy. Soc. Arts, lxviii.. 



p. 788. 1920. 



- — ■ 37. Potash Mining in Germany. Journ. Boy. Soc. Arts, lxix. pp. 19-20. 

 1920. 



38. Visit to Horniman's Museum, Forest Hill, S.E. Proc. Geol. Assoc. xxxi. 



p. 149. 1920. 



39. Swedish Stone and Cement Industry. Quarry, xxv. pp. 179-180. 1920.. 



40. Fuller's Earth. Quarry, xxv. pp. 280-282. 1920. 



41. Note on the Occurrence of Rhyolitic Pebbles in Antigua. West Indian 



Bull, xviii. pp. 99-101. 1920. 

 42. .Ioha>~ Victobintjs Pikgtl. [Obit.] Meddel. dansk geol. Foren. v. 



no. 16. pp. 3-4. 1919. 

 43. Dr. Ai/BEECHT Spitz. [Obit.] Yerh. geol. Beichsanst. 1918, p. 243. 



1918. 



44. William Watts (1830-1919). [Obit.J Trans. Inst. Water Eng. 



xxiv. pp. 219-220. 1920. 

 45. Robeet Ethebidge (1847-1920). [Obit.] Geol. Mag. 1920, pp. 239- 



240. 1920. 



46. The Development of a Graphite Industry. Chemical Netos, cxx. pp. 133- 



135. 1920. 



AXTEN, J. Sur la Presence de Feldspaths detritiques et d'une Algue calcaire du 

 Genre Girvanella dans les psammites du Condroz, assise de Comblain-au- 

 Pont, a Clavier. Ann. Soc. geol. Belg. xlii. Bull. pp. 149-153. 1920. 



2. Sur la Presence d un nouveau Gisement de Sable tertiaire sur la Planchette 



de Sartz-lez-Spa. Ann. Soc. geol. Belg. xlii. Bull. pp. 171-173, figs. 1920. 



3. Sur la Presence de Distheue, de Staurotide et d'Andalousite dans les Sables 



tertiaires des Environs de Liege et de la Haute Ardenne. Ann. Soc. geol. Belg. 

 xlii. Bull. pp. 186-193. 1920. 



4. Sur la Realite de FExistence de deux Niveaux d'Ardoise clans le Salmien 



superieur a Vielsalm. Ann. Soc. geol. Belg. xliii. Bull. pp. 81-82. 1920. 



5. Sur la Repartition des Mineraux denses dans les Sables d'Ages divers en 



Belgique. Ann. Soc. geol. Belg. xliii. Bull. pp. 82-83. 1920. 



